2126656087 has 2 divisors, whose sum is σ = 2126656088. Its totient is φ = 2126656086.

The previous prime is 2126656039. The next prime is 2126656093. The reversal of 2126656087 is 7806566212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2126656087 - 2¹¹ = 2126654039 is a prime.

It is a super-2 number, since 2×2126656087² = 9045332224748303138, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2126656027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1063328043 + 1063328044.

It is an arithmetic number, because the mean of its divisors is an integer number (1063328044).

Almost surely, 2^2126656087 is an apocalyptic number.

2126656087 is a deficient number, since it is larger than the sum of its proper divisors (1).

2126656087 is an equidigital number, since it uses as much as digits as its factorization.

2126656087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 241920, while the sum is 43.

The square root of 2126656087 is about 46115.6815736253. The cubic root of 2126656087 is about 1285.9746902537.

The spelling of 2126656087 in words is "two billion, one hundred twenty-six million, six hundred fifty-six thousand, eighty-seven".